-
Animated attribute revealA new challenge to solve next. I would like to create an animated attribute reveal in machine code by having my 768 byte attributes held in ram whic…
... attribute fade, is this the sort of effect that you meant?
0 TO 7
11 FOR d=0 TO 7: PRINT AT 0,d; PAPER 7 ... frame in a sequence until they are all (paper and ink) black to create ... code example too, I'll read through it. -
SpecBAS / SpecOS documentationHi, I just find out about SpecBAS and I was so impressed by the new functions while retaining compatibility with ZX Basic that I've been playing wit…
... hardly imagine how difficult it is to code a sprite routine in z80 ... the manual says that SPRITE COLLIDE CLEAR accepts a sprite id as ... PAPER 0: INK 7: CLS
20 PLOT SCRw/2,0: DRAW INK 7;0, ... /2: DRAW SCRw,0
40 PRINT AT 0,30;"==";AT 3,30;"=="
50 ... -
ZXDS 1.3.0Hello, I am really glad I can announce one more [URL="http://zxds.raxoft.cz"]ZXDS release[/URL] on this special day. The major new feature is the lo…
... 48955,7: OUT 65339,0: BORDER 7: PAPER 7: INK 0: CLS
140 ... y=0 TO 21: PRINT FLASH 1; BRIGHT 1;AT y,0; PAPER 0;" "; PAPER 1;" "; PAPER 2;" "; PAPER 3 ... ,clut
180 PRINT #0;AT 0,B*8;"B=";B;AT 1,0;"G=";G… -
Game of Life.Last year (I think) or maybe the year before, I entered a Game of Life simulator into the CSS CGC compo but for the Sinclair ZX81. I decided to port…
... the routine is scanning left to right, one point at a time, the ... I think that there may be a slight flaw in that logic ... ... [code]
11 RANDOMIZE 0: BORDER 0: PAPER 0: INK 4
12 ... : PRINT AT 0,0;"Generation:";gen:
FOR i=1 TO 20: PRINT g ... -
Alkatraz Protection System - "How to" and compo?I'm thinking about writing a "how to" regarding the [URL="http://www.worldofspectrum.org/infoseekid.cgi?id=0020807"]Alkatraz Protection System[/URL].…
... for any game that you might want to master - you ... ?[/B]
...a BASIC loader, a compressed loading screen and ... 0: PAPER 0: INK 0: CLS : PRINT BRIGHT 1; INK 7;AT 9,2;"LAND OF MIRE MARE IS ... the easy bit!... the Alkatraz Assembler is next, so... more to follow ... -
Introduce yourself[SIZE=3][FONT=Comic Sans MS]This is the thread to stop by & introduce yourself.[/FONT][/SIZE]
10 BORDER 0: PAPER 0: INK 7:CLS
20 INPUT "Please, type your name: ";a$
30 PRINT AT 0,0;"Hello, ";a$;"!"
40 PRINT AT 1,0;"I'm huelvy, a Speccy fan from Spain."; AT 2,0;"Happy to be here."
50 STOP -
Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... ,
Here is an example using the encoding ...
[code]100 BORDER 0: PAPER 0: INK 7: CLS
110 REM ... /> 130 REM
140 PRINT AT 0,0;"Please wait, building string"
160 READ A$: IF A$="Z" THEN GO TO 380
... -
Akalabeth gamei found now that someone ported an ansi-basic game (coded in 1979?) to msx-basic - what about a zx-spectrum basic version of it? ;) https://plus.goo…
... br /> An alternative is rather than using a string you store the ... br />
[code]100 BORDER 0: PAPER 0: INK 7: CLS
110 CLEAR ... /> 140 REM
150 PRINT AT 0,0;"Please wait, storing data"
170 READ A$: IF A$="Z" THEN GO TO 390
... -
The trouble with good code isLots of times I've come here to ask for help and always got it pretty promptly. Which is wonderful and one of the reasons why I don't think there's a…
... that [b]PRINT AT 0,10; INK 2; PAPER 0; FLASH 1; “Peekaboo!”[/b] is more of a set ... ’d never think of trying to take that away from you. I ... that also included a syntax or vocabulary large enough to be able to control a ... -
How to improve my program using oversized numbersI'd like my dice program to print out the number four times bigger than normal if possible. Anyone know how to do this? Or I could write a sub rou…
... PRINT AT 0,0;"Up to 8 Characters only!": PAUSE 0: CLS : GO TO 30
50 PRINT AT 21,0; INK ... 7;a ... $
60 FOR x=0 TO (LEN (a$)*8 ... -
ive found an attr scrolling routine but i want to remove the smaller scroller within it, etc.https://pastebin.com/K4nG3xbX also i would like to be able to change the colours and not have a shadow. http://www.worldofspectrum.org/pub/sin…
... original Double Message Scroller listing:
[code]
LD A, $3E ; A =attribute ... fast version this is at line 53. Change the $3E to some other ... *64 + PAPER*8 + INK
So $3E = 0 + 0 + 111 + 110 = white PAPER + yellow INK.
Looking for any maze game where the map is different every timeHi folks, I'm looking to sharpen my game writing skiils (or lack thereof!) and I need an example of a simple maze game which creates a different map…
... if that's what you're looking for, but here is a simple ...
20 INK 0: PAPER 0: BORDER 0: CLS
30 INK 1: PAPER 1
40 ... /> 100 PRINT AT 0,0;"###############################";
110 FOR i=1 TO 19: PRINT AT i,0;"#";AT i,30 ...Stuck again! Please help meI'm in the process of making a little game, eventually it will become rather more sophisticated (I hope) but I am testing out routines one at a time.…
... if a pixel is INK or PAPER coloured (a pixel that is "on" is INK, whereas "off" draws a PAPER pixel ... . If you then proceed to issue a PRINT AT 10,10;OVER 1;"@" then ... use OVER 0 to turn it off.
Using PRINT OVER 1 ...how do i change the color of the input statement "" and whatever is typed in it?the background ink doesnt seem to change it
you could add a little basic routine that looks like an input???
TO 30
15 IF i ... .01,20
30 PRINT AT 21,0; PAPER 1; INK 6;w$; FLASH 1 ... $=i$ THEN GO TO 35
40 GO TO 10
how do i change the color of the input statement "" and whatever is typed in it?the background ink doesnt seem to change it
... ;966344"]you could add a little basic routine that looks like an ... .01,20
30 PRINT AT 21,0; PAPER 1; INK 6;w$; FLASH 1 ... GO TO 10[/s]
[/quote]
here is a better ... PRINT AT 5,0;w$: STOP
40 LET w$=w$+i$: PRINT #1; PAPER ...Looking for any maze game where the map is different every timeHi folks, I'm looking to sharpen my game writing skiils (or lack thereof!) and I need an example of a simple maze game which creates a different map…
... pretty hard to read, even if you wrote them yourself a few months ... /> 100 PRINT AT 0,0;"###############################";
110 FOR i=1 TO 20: PRINT AT i,0;"#";AT i,30 ... INK 0: PAPER 7
[/code]
Also I have just noticed that ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... EQU 0
; this points at the screen RAM at the ... ink, paper, bright, flash
db ink|(paper attrib
setattrib2x2
ld h, 0 ... a
ld b, 8
.loop:
; blit 8 pixel row to ... br />
Some of that is not used and the level ...How to disable the "scroll?" message?Hello. I'm a beginner Z80 assembly programmer and I decided to make a ZX Spectrum game to practice my skills and gain some more experience. I curr…
... DRAW_LEVEL_EVERY_FRAME EQU 0; This is way too slow to draw to screen ... 0
ATTRIBS EQU #5800
MACRO DB_COLOUR ink, paper ... a
; blit 8 pixel rowdata to screen in cells at ... l ;set B to 0. it causes that DJNZ will repeat ...print at line 22 and 23I have a faint recollection of POKES to allow print at 22,x and 23,x, anyone know what they are? (rather than using the print #0 #1 stuff..)
I have a faint recollection of POKES to allow print at 22,x and 23,x, anyone know what they are? (rather than using the print #0 #1 stuff..)BASIC: Fast way of filling a string?Recently I decided to use string slicing to extract random numbers from a sequence in the one-liner Lottery picker: [quote] 20 RANDOMIZE : LET a$=""…
... =1 TO 49: LET a$=a$+CHR$ (f): NEXT f: FOR g=1 TO 8: PRINT AT ... g-1,0;"Line ... ";STR$ (g);":": FOR f=1 TO 6 ... +INT (RND*LEN a$): PRINT AT g-1,8+((f-1)*3);" "( TO (CODE a$(b)Tutorial - learn machine code in 30mins[B][I]Message from the moderators[/I] - bigjon has requested that readers' attention be drawn to a better version of this tutorial, one which is easi…
... is easier to read: it can be found at[/B ... br /> [B]Original message of this post follows ... window:
10 PRINT AT 0,0; "Your score was ... a,8. This puts a blue PAPER colour into the A register. Why 8 ... A register for each bit that is different.
We'll print ...Sorting an array...Hi Folks, Over the weekend I had a play with sorting algorithms - takes me back to my student days! :-o My first try was with the good old Bubble S…
... 0: PAPER 0: INK 7: PAUSE 1: BORDER 0: CLS
110 PRINT AT 0,0;"BUBBLE SORT v1": PRINT AT ... ,1): FOR a=1 TO 50: LET p$(a)=CHR$ (65 ... 180 LET swapped=0
190 FOR a=1 TO 49
... ,1): FOR a=1 TO 50: LET p$(a)=CHR$ (65 ... 50: FOR …Manipulating attributes...Hi Folks, I have written a routine that allows a blue bar to be scrolled up and down a list to select an item. Each item in the list occupies two l…
... a routine that allows a blue bar to be scrolled up and down a list to ... following wee program demonstrates what is happening:
[CODE]100 ... /> PRINT AT 7,0;b$
180 FOR a=0 TO 7:
PRINT PAPER 0; INK 4;AT 14+a,0;"ATTR ...Stopping the loading messages...Hi Folks, As you know, the ZX BASIC kindly reports the program, bytes or data that you have loaded on the screen. To stop these appearing I was thi…
... or data that you have loaded on the screen. To stop ... 100 PAPER 0:INK 0:PRINT AT 0,0;
110 LOAD "DATA" DATA...[/CODE]
Is ... this the best approach or is there a better method ... e.g. a POKE?
Request for help (Z80 gigascreen loader)Although I'd attempted to stick to keeping things simple in Image to ZX Spec now I've implemented Gigascreen (8x8 only) I've found the BASIC Gigascre…
... for just a Gigascreen viewer that acts as a slideshow with a user defined ... /> 70 PAPER 0: INK 7: BRIGHT 1
80 PRINT AT Y,5;" Image to ZX ... /> 272 PRINT AT Y,1;"between frames (50 is 1 sec, a"
273 ... LET Y=Y+1
274 PRINT AT ...BOB the Screen BuilderHere's my first attempt to use that tokenising idea from "more on storing mazes" in a screen designer - "[url=http://www.users.globalnet.co.uk/~jg27p…
... is that each screen is encoded as a single DATA string with a ... with readable attribute tokens (INK, PAPER, etc.) rather than the ... to read the print controls in the DATA lines.)
The routine at ... exit routine to restore things; just enter 0,0 for the ...WibbleBibble's Basic threadHi in an attempt to keep my questions from spamming the forum. I think its better to put them all in one place. Thanks everyone so far, I feel I am …
... for the game. Idea is you design a screen then break the ... .. plus im still a bit unsure how to use that feature of BASin ... .
[CODE]10 PAPER 7: INK 0: CLS
20 LET L ... TO 50
60 PRINT AT L,C;" "
70 IF A$>="0" AND A ...Machine code RST10 problemHello! After 27 years of playing with Spectrums I'm starting to look into doing assembly language properly. All went swimmingly well until I wrote …
... little routine, which is designed to print 16-character messages at a particular point on ... it points to the message
ld hl,msgctl ; point to message control codes ... done, return
; AT 19,8 PAPER 8 INK 8
.msgctl defb $16,$13 ...
